white house budget director jack lew and republican senator jon kyl. and the "roundtable" debate the politics of the divide. plus -- >> i apologize. >> rupert murdoch under fire. heads s ll at his media empire, but will that be enough to save it? >>> and in africa, a cry for help. millions, threatened by an epic drought, the worst in 60 years. we'll take you there. then, we're live from germany where the american woman's soccer team has a shot at making history. >> announcer: live from the newseum in washington, "this week" with christiane amanpour starts right now. >>> welcome to the program. we've got lots to get to this morning. but, first, some headlines since your morning papers. there is breaking news to report in london. the bbc has learned that rebecca brooks, rupert murdoch's top lieutenant in the uk has been arrested on suspicion of corruption. earlier she resigned from her position as chief executive of news international. in the wake of the scandal rocking the murdoch empire. much more on this developing story later in the program. >>> case